The Facebook provider is missing in Ionic Native

An error has occurred: No provider for Facebook!
    InjectionError (core.es5.js:1231)
    NoProviderError (core.es5.js:1269)
    ReflectiveInjector_.throwOrNull (core.es5.js:2770)
    ReflectiveInjector.getByKeyDefault (core.es5.js:2809)
    ReflectiveInjector.getByKey (core.es5.js:2741)
    ReflectiveInjector.get (core.es5.js:2610)
    AppModuleInjector.NgModuleInjector.get (core.es5.js:3578)
    ResolveDep (core.es5.js:11039)
    CreateClass (core.es5.js:10903)
     At createDirectiveInstance (core.es5.js:10723)
View_MyApp_Host_0 @ MyApp_Host.html:1

angulartypescriptionic2ionic3ionic-native

Answer №1

To implement Facebook functionality in your app, remember to include Facebook in your AppModule file (app.module.ts):

// ...
import { Facebook } from '@ionic-native/facebook';

@NgModule({
    declarations: [...],
    imports: [...],
    bootstrap: [IonicApp],
    entryComponents: [...],
    providers: [
        // ...
        Facebook // <--- Don't forget this!
        // ...
        { provide: ErrorHandler, useClass: IonicErrorHandler }
    ]
})
export class AppModule { }

Answer №2

The solution provided is effective up to Ionic3. However, for Ionic 4 and above: In the particular module containing the component utilizing FB login, include:

import { Facebook } from '@ionic-native/facebook/ngx';

[Take note of the /ngx]

Additionally, ensure to add the provider for that @NgModule

providers: [ Facebook, .... ]

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